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Diffstat (limited to 'src/mesa/main/texstore.c')
-rw-r--r--src/mesa/main/texstore.c474
1 files changed, 310 insertions, 164 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index a1574e6cd8..f5f94bbf1a 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -99,6 +99,7 @@ can_swizzle(GLenum logicalBaseFormat)
case GL_BGR:
case GL_BGRA:
case GL_ABGR_EXT:
+ case GL_RG:
return GL_TRUE;
default:
return GL_FALSE;
@@ -120,6 +121,7 @@ enum {
IDX_BGR,
IDX_BGRA,
IDX_ABGR,
+ IDX_RG,
MAX_IDX
};
@@ -171,7 +173,6 @@ static const struct {
MAP4(0,1,2,3),
},
-
{
IDX_RED,
MAP4(0, ZERO, ZERO, ONE),
@@ -207,6 +208,12 @@ static const struct {
MAP4(3,2,1,0),
MAP4(3,2,1,0)
},
+
+ {
+ IDX_RG,
+ MAP4(0, 1, ZERO, ONE),
+ MAP2(0, 1)
+ },
};
@@ -230,6 +237,7 @@ get_map_idx(GLenum value)
case GL_BGR: return IDX_BGR;
case GL_BGRA: return IDX_BGRA;
case GL_ABGR_EXT: return IDX_ABGR;
+ case GL_RG: return IDX_RG;
default:
_mesa_problem(NULL, "Unexpected inFormat");
return 0;
@@ -280,7 +288,7 @@ compute_component_mapping(GLenum inFormat, GLenum outFormat,
* Apply all needed pixel unpacking and pixel transfer operations.
* Note that there are both logicalBaseFormat and textureBaseFormat parameters.
* Suppose the user specifies GL_LUMINANCE as the internal texture format
- * but the graphics hardware doesn't support luminance textures. So, might
+ * but the graphics hardware doesn't support luminance textures. So, we might
* use an RGB hardware format instead.
* If logicalBaseFormat != textureBaseFormat we have some extra work to do.
*
@@ -299,7 +307,7 @@ compute_component_mapping(GLenum inFormat, GLenum outFormat,
* \return resulting image with format = textureBaseFormat and type = GLfloat.
*/
static GLfloat *
-make_temp_float_image(GLcontext *ctx, GLuint dims,
+make_temp_float_image(struct gl_context *ctx, GLuint dims,
GLenum logicalBaseFormat,
GLenum textureBaseFormat,
GLint srcWidth, GLint srcHeight, GLint srcDepth,
@@ -319,6 +327,8 @@ make_temp_float_image(GLcontext *ctx, GLuint dims,
ASSERT(logicalBaseFormat == GL_RGBA ||
logicalBaseFormat == GL_RGB ||
+ logicalBaseFormat == GL_RG ||
+ logicalBaseFormat == GL_RED ||
logicalBaseFormat == GL_LUMINANCE_ALPHA ||
logicalBaseFormat == GL_LUMINANCE ||
logicalBaseFormat == GL_ALPHA ||
@@ -328,6 +338,8 @@ make_temp_float_image(GLcontext *ctx, GLuint dims,
ASSERT(textureBaseFormat == GL_RGBA ||
textureBaseFormat == GL_RGB ||
+ textureBaseFormat == GL_RG ||
+ textureBaseFormat == GL_RED ||
textureBaseFormat == GL_LUMINANCE_ALPHA ||
textureBaseFormat == GL_LUMINANCE ||
textureBaseFormat == GL_ALPHA ||
@@ -409,7 +421,7 @@ make_temp_float_image(GLcontext *ctx, GLuint dims,
* Apply all needed pixel unpacking and pixel transfer operations.
* Note that there are both logicalBaseFormat and textureBaseFormat parameters.
* Suppose the user specifies GL_LUMINANCE as the internal texture format
- * but the graphics hardware doesn't support luminance textures. So, might
+ * but the graphics hardware doesn't support luminance textures. So, we might
* use an RGB hardware format instead.
* If logicalBaseFormat != textureBaseFormat we have some extra work to do.
*
@@ -428,7 +440,7 @@ make_temp_float_image(GLcontext *ctx, GLuint dims,
* \return resulting image with format = textureBaseFormat and type = GLchan.
*/
GLchan *
-_mesa_make_temp_chan_image(GLcontext *ctx, GLuint dims,
+_mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
GLenum logicalBaseFormat,
GLenum textureBaseFormat,
GLint srcWidth, GLint srcHeight, GLint srcDepth,
@@ -445,6 +457,8 @@ _mesa_make_temp_chan_image(GLcontext *ctx, GLuint dims,
ASSERT(logicalBaseFormat == GL_RGBA ||
logicalBaseFormat == GL_RGB ||
+ logicalBaseFormat == GL_RG ||
+ logicalBaseFormat == GL_RED ||
logicalBaseFormat == GL_LUMINANCE_ALPHA ||
logicalBaseFormat == GL_LUMINANCE ||
logicalBaseFormat == GL_ALPHA ||
@@ -452,6 +466,8 @@ _mesa_make_temp_chan_image(GLcontext *ctx, GLuint dims,
ASSERT(textureBaseFormat == GL_RGBA ||
textureBaseFormat == GL_RGB ||
+ textureBaseFormat == GL_RG ||
+ textureBaseFormat == GL_RED ||
textureBaseFormat == GL_LUMINANCE_ALPHA ||
textureBaseFormat == GL_LUMINANCE ||
textureBaseFormat == GL_ALPHA ||
@@ -658,7 +674,10 @@ swizzle_copy(GLubyte *dst, GLuint dstComponents, const GLubyte *src,
static const GLubyte map_identity[6] = { 0, 1, 2, 3, ZERO, ONE };
static const GLubyte map_3210[6] = { 3, 2, 1, 0, ZERO, ONE };
-/* Deal with the _REV input types:
+
+/**
+ * For 1-byte/pixel formats (or 8_8_8_8 packed formats), return a
+ * mapping array depending on endianness.
*/
static const GLubyte *
type_mapping( GLenum srcType )
@@ -676,7 +695,10 @@ type_mapping( GLenum srcType )
}
}
-/* Mapping required if input type is
+
+/**
+ * For 1-byte/pixel formats (or 8_8_8_8 packed formats), return a
+ * mapping array depending on pixelstore byte swapping state.
*/
static const GLubyte *
byteswap_mapping( GLboolean swapBytes,
@@ -703,7 +725,7 @@ byteswap_mapping( GLboolean swapBytes,
* Transfer a GLubyte texture image with component swizzling.
*/
static void
-_mesa_swizzle_ubyte_image(GLcontext *ctx,
+_mesa_swizzle_ubyte_image(struct gl_context *ctx,
GLuint dimensions,
GLenum srcFormat,
GLenum srcType,
@@ -790,7 +812,7 @@ _mesa_swizzle_ubyte_image(GLcontext *ctx,
* 1D, 2D and 3D images supported.
*/
static void
-memcpy_texture(GLcontext *ctx,
+memcpy_texture(struct gl_context *ctx,
GLuint dimensions,
gl_format dstFormat,
GLvoid *dstAddr,
@@ -1413,7 +1435,6 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
_mesa_swizzle_ubyte_image(ctx, dims,
srcFormat,
srcType,
-
baseInternalFormat,
dstmap, 4,
dstAddr, dstXoffset, dstYoffset, dstZoffset,
@@ -1906,22 +1927,26 @@ _mesa_texstore_argb1555(TEXSTORE_PARAMS)
}
+/**
+ * Do texstore for 2-channel, 8-bit/channel, unsigned normalized formats.
+ */
static GLboolean
-_mesa_texstore_al88(TEXSTORE_PARAMS)
+_mesa_texstore_unorm88(TEXSTORE_PARAMS)
{
const GLboolean littleEndian = _mesa_little_endian();
const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
ASSERT(dstFormat == MESA_FORMAT_AL88 ||
- dstFormat == MESA_FORMAT_AL88_REV);
+ dstFormat == MESA_FORMAT_AL88_REV ||
+ dstFormat == MESA_FORMAT_RG88 ||
+ dstFormat == MESA_FORMAT_RG88_REV);
ASSERT(texelBytes == 2);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == MESA_FORMAT_AL88 &&
- baseInternalFormat == GL_LUMINANCE_ALPHA &&
- srcFormat == GL_LUMINANCE_ALPHA &&
+ (dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_RG88) &&
+ baseInternalFormat == srcFormat &&
srcType == GL_UNSIGNED_BYTE &&
littleEndian) {
/* simple memcpy path */
@@ -1937,19 +1962,31 @@ _mesa_texstore_al88(TEXSTORE_PARAMS)
srcType == GL_UNSIGNED_BYTE &&
can_swizzle(baseInternalFormat) &&
can_swizzle(srcFormat)) {
-
GLubyte dstmap[4];
/* dstmap - how to swizzle from RGBA to dst format:
*/
- if ((littleEndian && dstFormat == MESA_FORMAT_AL88) ||
- (!littleEndian && dstFormat == MESA_FORMAT_AL88_REV)) {
- dstmap[0] = 0;
- dstmap[1] = 3;
+ if (dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_AL88_REV) {
+ if ((littleEndian && dstFormat == MESA_FORMAT_AL88) ||
+ (!littleEndian && dstFormat == MESA_FORMAT_AL88_REV)) {
+ dstmap[0] = 0;
+ dstmap[1] = 3;
+ }
+ else {
+ dstmap[0] = 3;
+ dstmap[1] = 0;
+ }
}
else {
- dstmap[0] = 3;
- dstmap[1] = 0;
+ if ((littleEndian && dstFormat == MESA_FORMAT_RG88) ||
+ (!littleEndian && dstFormat == MESA_FORMAT_RG88_REV)) {
+ dstmap[0] = 0;
+ dstmap[1] = 1;
+ }
+ else {
+ dstmap[0] = 1;
+ dstmap[1] = 0;
+ }
}
dstmap[2] = ZERO; /* ? */
dstmap[3] = ONE; /* ? */
@@ -1983,7 +2020,8 @@ _mesa_texstore_al88(TEXSTORE_PARAMS)
+ dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLushort *dstUS = (GLushort *) dstRow;
- if (dstFormat == MESA_FORMAT_AL88) {
+ if (dstFormat == MESA_FORMAT_AL88 ||
+ dstFormat == MESA_FORMAT_RG88) {
for (col = 0; col < srcWidth; col++) {
/* src[0] is luminance, src[1] is alpha */
dstUS[col] = PACK_COLOR_88( CHAN_TO_UBYTE(src[1]),
@@ -2008,22 +2046,26 @@ _mesa_texstore_al88(TEXSTORE_PARAMS)
}
+/**
+ * Do texstore for 2-channel, 16-bit/channel, unsigned normalized formats.
+ */
static GLboolean
-_mesa_texstore_al1616(TEXSTORE_PARAMS)
+_mesa_texstore_unorm1616(TEXSTORE_PARAMS)
{
const GLboolean littleEndian = _mesa_little_endian();
const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
ASSERT(dstFormat == MESA_FORMAT_AL1616 ||
- dstFormat == MESA_FORMAT_AL1616_REV);
+ dstFormat == MESA_FORMAT_AL1616_REV ||
+ dstFormat == MESA_FORMAT_RG1616 ||
+ dstFormat == MESA_FORMAT_RG1616_REV);
ASSERT(texelBytes == 4);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == MESA_FORMAT_AL1616 &&
- baseInternalFormat == GL_LUMINANCE_ALPHA &&
- srcFormat == GL_LUMINANCE_ALPHA &&
+ (dstFormat == MESA_FORMAT_AL1616 || dstFormat == MESA_FORMAT_RG1616) &&
+ baseInternalFormat == srcFormat &&
srcType == GL_UNSIGNED_SHORT &&
littleEndian) {
/* simple memcpy path */
@@ -2053,7 +2095,8 @@ _mesa_texstore_al1616(TEXSTORE_PARAMS)
+ dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLuint *dstUI = (GLuint *) dstRow;
- if (dstFormat == MESA_FORMAT_AL1616) {
+ if (dstFormat == MESA_FORMAT_AL1616 ||
+ dstFormat == MESA_FORMAT_RG1616) {
for (col = 0; col < srcWidth; col++) {
GLushort l, a;
@@ -2083,6 +2126,66 @@ _mesa_texstore_al1616(TEXSTORE_PARAMS)
static GLboolean
+_mesa_texstore_r16(TEXSTORE_PARAMS)
+{
+ const GLboolean littleEndian = _mesa_little_endian();
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_R16);
+ ASSERT(texelBytes == 2);
+
+ if (!ctx->_ImageTransferState &&
+ !srcPacking->SwapBytes &&
+ dstFormat == MESA_FORMAT_R16 &&
+ baseInternalFormat == GL_RED &&
+ srcFormat == GL_RED &&
+ srcType == GL_UNSIGNED_SHORT &&
+ littleEndian) {
+ /* simple memcpy path */
+ memcpy_texture(ctx, dims,
+ dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride,
+ dstImageOffsets,
+ srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+ srcAddr, srcPacking);
+ }
+ else {
+ /* general path */
+ const GLfloat *tempImage = make_temp_float_image(ctx, dims,
+ baseInternalFormat,
+ baseFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ const GLfloat *src = tempImage;
+ GLint img, row, col;
+ if (!tempImage)
+ return GL_FALSE;
+ for (img = 0; img < srcDepth; img++) {
+ GLubyte *dstRow = (GLubyte *) dstAddr
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ + dstYoffset * dstRowStride
+ + dstXoffset * texelBytes;
+ for (row = 0; row < srcHeight; row++) {
+ GLushort *dstUS = (GLushort *) dstRow;
+ for (col = 0; col < srcWidth; col++) {
+ GLushort r;
+
+ UNCLAMPED_FLOAT_TO_USHORT(r, src[0]);
+ dstUS[col] = r;
+ src += 1;
+ }
+ dstRow += dstRowStride;
+ }
+ }
+ free((void *) tempImage);
+ }
+ return GL_TRUE;
+}
+
+
+static GLboolean
_mesa_texstore_rgba_16(TEXSTORE_PARAMS)
{
const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
@@ -2278,7 +2381,8 @@ _mesa_texstore_a8(TEXSTORE_PARAMS)
ASSERT(dstFormat == MESA_FORMAT_A8 ||
dstFormat == MESA_FORMAT_L8 ||
- dstFormat == MESA_FORMAT_I8);
+ dstFormat == MESA_FORMAT_I8 ||
+ dstFormat == MESA_FORMAT_R8);
ASSERT(texelBytes == 1);
if (!ctx->_ImageTransferState &&
@@ -2297,7 +2401,6 @@ _mesa_texstore_a8(TEXSTORE_PARAMS)
srcType == GL_UNSIGNED_BYTE &&
can_swizzle(baseInternalFormat) &&
can_swizzle(srcFormat)) {
-
GLubyte dstmap[4];
/* dstmap - how to swizzle from RGBA to dst format:
@@ -2471,7 +2574,6 @@ _mesa_texstore_dudv8(TEXSTORE_PARAMS)
srcAddr, srcPacking);
}
else if (srcType == GL_BYTE) {
-
GLubyte dstmap[4];
/* dstmap - how to swizzle from RGBA to dst format:
@@ -2677,7 +2779,8 @@ _mesa_texstore_signed_rgbx8888(TEXSTORE_PARAMS)
/**
- * Store a texture in MESA_FORMAT_SIGNED_RGBA8888 or MESA_FORMAT_SIGNED_RGBA8888_REV
+ * Store a texture in MESA_FORMAT_SIGNED_RGBA8888 or
+ * MESA_FORMAT_SIGNED_RGBA8888_REV
*/
static GLboolean
_mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS)
@@ -2813,36 +2916,7 @@ _mesa_texstore_z24_s8(TEXSTORE_PARAMS)
ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT);
ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT);
- /* In case we only upload depth we need to preserve the stencil */
- if (srcFormat == GL_DEPTH_COMPONENT) {
- for (img = 0; img < srcDepth; img++) {
- GLuint *dstRow = (GLuint *) dstAddr
- + dstImageOffsets[dstZoffset + img]
- + dstYoffset * dstRowStride / sizeof(GLuint)
- + dstXoffset;
- const GLuint *src
- = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
- srcWidth, srcHeight,
- srcFormat, srcType,
- img, 0, 0);
- for (row = 0; row < srcHeight; row++) {
- GLuint depth[MAX_WIDTH];
- GLint i;
- _mesa_unpack_depth_span(ctx, srcWidth,
- GL_UNSIGNED_INT, /* dst type */
- depth, /* dst addr */
- depthScale,
- srcType, src, srcPacking);
-
- for (i = 0; i < srcWidth; i++)
- dstRow[i] = depth[i] << 8 | (dstRow[i] & 0x000000FF);
-
- src += srcRowStride;
- dstRow += dstRowStride / sizeof(GLuint);
- }
- }
- }
- else if (ctx->Pixel.DepthScale == 1.0f &&
+ if (srcFormat != GL_DEPTH_COMPONENT && ctx->Pixel.DepthScale == 1.0f &&
ctx->Pixel.DepthBias == 0.0f &&
!srcPacking->SwapBytes) {
/* simple path */
@@ -2853,41 +2927,53 @@ _mesa_texstore_z24_s8(TEXSTORE_PARAMS)
srcWidth, srcHeight, srcDepth, srcFormat, srcType,
srcAddr, srcPacking);
}
- else {
- /* general path */
- const GLint srcRowStride
- = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
- / sizeof(GLuint);
- GLint img, row;
-
+ else if (srcFormat == GL_DEPTH_COMPONENT) {
+ /* In case we only upload depth we need to preserve the stencil */
for (img = 0; img < srcDepth; img++) {
- GLuint *dstRow = (GLuint *) dstAddr
+ GLuint *dstRow = (GLuint *) dstAddr
+ dstImageOffsets[dstZoffset + img]
+ dstYoffset * dstRowStride / sizeof(GLuint)
+ dstXoffset;
const GLuint *src
= (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
- srcWidth, srcHeight,
- srcFormat, srcType,
- img, 0, 0);
+ srcWidth, srcHeight,
+ srcFormat, srcType,
+ img, 0, 0);
for (row = 0; row < srcHeight; row++) {
- GLubyte stencil[MAX_WIDTH];
+ GLuint depth[MAX_WIDTH];
+ GLubyte stencil[MAX_WIDTH];
GLint i;
- /* the 24 depth bits will be in the high position: */
- _mesa_unpack_depth_span(ctx, srcWidth,
- GL_UNSIGNED_INT_24_8_EXT, /* dst type */
- dstRow, /* dst addr */
- depthScale,
- srcType, src, srcPacking);
- /* get the 8-bit stencil values */
- _mesa_unpack_stencil_span(ctx, srcWidth,
- GL_UNSIGNED_BYTE, /* dst type */
- stencil, /* dst addr */
- srcType, src, srcPacking,
- ctx->_ImageTransferState);
- /* merge stencil values into depth values */
- for (i = 0; i < srcWidth; i++)
- dstRow[i] |= stencil[i];
+ GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE;
+
+ if (srcFormat == GL_DEPTH_COMPONENT) { /* preserve stencil */
+ keepstencil = GL_TRUE;
+ }
+ else if (srcFormat == GL_STENCIL_INDEX) { /* preserve depth */
+ keepdepth = GL_TRUE;
+ }
+
+ if (keepdepth == GL_FALSE)
+ /* the 24 depth bits will be in the low position: */
+ _mesa_unpack_depth_span(ctx, srcWidth,
+ GL_UNSIGNED_INT, /* dst type */
+ keepstencil ? depth : dstRow, /* dst addr */
+ depthScale,
+ srcType, src, srcPacking);
+
+ if (keepstencil == GL_FALSE)
+ /* get the 8-bit stencil values */
+ _mesa_unpack_stencil_span(ctx, srcWidth,
+ GL_UNSIGNED_BYTE, /* dst type */
+ stencil, /* dst addr */
+ srcType, src, srcPacking,
+ ctx->_ImageTransferState);
+
+ for (i = 0; i < srcWidth; i++) {
+ if (keepstencil)
+ dstRow[i] = depth[i] << 8 | (dstRow[i] & 0x000000FF);
+ else
+ dstRow[i] = (dstRow[i] & 0xFFFFFF00) | (stencil[i] & 0xFF);
+ }
src += srcRowStride;
dstRow += dstRowStride / sizeof(GLuint);
@@ -2911,58 +2997,108 @@ _mesa_texstore_s8_z24(TEXSTORE_PARAMS)
GLint img, row;
ASSERT(dstFormat == MESA_FORMAT_S8_Z24);
- ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT);
- ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT);
+ ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT ||
+ srcFormat == GL_DEPTH_COMPONENT ||
+ srcFormat == GL_STENCIL_INDEX);
+ ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT ||
+ srcType == GL_UNSIGNED_INT_24_8_EXT);
- /* In case we only upload depth we need to preserve the stencil */
- if (srcFormat == GL_DEPTH_COMPONENT) {
- for (img = 0; img < srcDepth; img++) {
- GLuint *dstRow = (GLuint *) dstAddr
- + dstImageOffsets[dstZoffset + img]
- + dstYoffset * dstRowStride / sizeof(GLuint)
- + dstXoffset;
- const GLuint *src
- = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
- srcWidth, srcHeight,
- srcFormat, srcType,
- img, 0, 0);
- for (row = 0; row < srcHeight; row++) {
- GLuint depth[MAX_WIDTH];
- GLint i;
- _mesa_unpack_depth_span(ctx, srcWidth,
- GL_UNSIGNED_INT, /* dst type */
- depth, /* dst addr */
- depthScale,
- srcType, src, srcPacking);
+ for (img = 0; img < srcDepth; img++) {
+ GLuint *dstRow = (GLuint *) dstAddr
+ + dstImageOffsets[dstZoffset + img]
+ + dstYoffset * dstRowStride / sizeof(GLuint)
+ + dstXoffset;
+ const GLuint *src
+ = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
+ srcWidth, srcHeight,
+ srcFormat, srcType,
+ img, 0, 0);
+ for (row = 0; row < srcHeight; row++) {
+ GLuint depth[MAX_WIDTH];
+ GLubyte stencil[MAX_WIDTH];
+ GLint i;
+ GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE;
+
+ if (srcFormat == GL_DEPTH_COMPONENT) { /* preserve stencil */
+ keepstencil = GL_TRUE;
+ }
+ else if (srcFormat == GL_STENCIL_INDEX) { /* preserve depth */
+ keepdepth = GL_TRUE;
+ }
+
+ if (keepdepth == GL_FALSE)
+ /* the 24 depth bits will be in the low position: */
+ _mesa_unpack_depth_span(ctx, srcWidth,
+ GL_UNSIGNED_INT, /* dst type */
+ keepstencil ? depth : dstRow, /* dst addr */
+ depthScale,
+ srcType, src, srcPacking);
+
+ if (keepstencil == GL_FALSE)
+ /* get the 8-bit stencil values */
+ _mesa_unpack_stencil_span(ctx, srcWidth,
+ GL_UNSIGNED_BYTE, /* dst type */
+ stencil, /* dst addr */
+ srcType, src, srcPacking,
+ ctx->_ImageTransferState);
+
+ /* merge stencil values into depth values */
+ for (i = 0; i < srcWidth; i++) {
+ if (keepstencil)
+ dstRow[i] = depth[i] | (dstRow[i] & 0xFF000000);
+ else
+ dstRow[i] = (dstRow[i] & 0xFFFFFF) | (stencil[i] << 24);
+
+ }
+ src += srcRowStride;
+ dstRow += dstRowStride / sizeof(GLuint);
+ }
+ }
+ return GL_TRUE;
+}
- for (i = 0; i < srcWidth; i++)
- dstRow[i] = depth[i] | (dstRow[i] & 0xFF000000);
- src += srcRowStride;
- dstRow += dstRowStride / sizeof(GLuint);
- }
- }
+/**
+ * Store simple 8-bit/value stencil texture data.
+ */
+static GLboolean
+_mesa_texstore_s8(TEXSTORE_PARAMS)
+{
+ ASSERT(dstFormat == MESA_FORMAT_S8);
+ ASSERT(srcFormat == GL_STENCIL_INDEX);
+
+ if (!ctx->_ImageTransferState &&
+ !srcPacking->SwapBytes &&
+ baseInternalFormat == srcFormat &&
+ srcType == GL_UNSIGNED_BYTE) {
+ /* simple memcpy path */
+ memcpy_texture(ctx, dims,
+ dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride,
+ dstImageOffsets,
+ srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+ srcAddr, srcPacking);
}
else {
+ const GLint srcRowStride
+ = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
+ / sizeof(GLuint);
+ GLint img, row;
+
for (img = 0; img < srcDepth; img++) {
- GLuint *dstRow = (GLuint *) dstAddr
+ GLubyte *dstRow = (GLubyte *) dstAddr
+ dstImageOffsets[dstZoffset + img]
+ dstYoffset * dstRowStride / sizeof(GLuint)
+ dstXoffset;
const GLuint *src
= (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
- srcWidth, srcHeight,
- srcFormat, srcType,
- img, 0, 0);
+ srcWidth, srcHeight,
+ srcFormat, srcType,
+ img, 0, 0);
for (row = 0; row < srcHeight; row++) {
GLubyte stencil[MAX_WIDTH];
GLint i;
- /* the 24 depth bits will be in the low position: */
- _mesa_unpack_depth_span(ctx, srcWidth,
- GL_UNSIGNED_INT, /* dst type */
- dstRow, /* dst addr */
- depthScale,
- srcType, src, srcPacking);
+
/* get the 8-bit stencil values */
_mesa_unpack_stencil_span(ctx, srcWidth,
GL_UNSIGNED_BYTE, /* dst type */
@@ -2971,16 +3107,19 @@ _mesa_texstore_s8_z24(TEXSTORE_PARAMS)
ctx->_ImageTransferState);
/* merge stencil values into depth values */
for (i = 0; i < srcWidth; i++)
- dstRow[i] |= stencil[i] << 24;
+ dstRow[i] = stencil[i];
src += srcRowStride;
- dstRow += dstRowStride / sizeof(GLuint);
+ dstRow += dstRowStride / sizeof(GLubyte);
}
}
+
}
+
return GL_TRUE;
}
+
/**
* Store an image in any of the formats:
* _mesa_texformat_rgba_float32
@@ -3055,6 +3194,7 @@ _mesa_texstore_rgba_float32(TEXSTORE_PARAMS)
}
+
/**
* As above, but store 16-bit floats.
*/
@@ -3518,12 +3658,12 @@ _mesa_texstore_srgb8(TEXSTORE_PARAMS)
newDstFormat = MESA_FORMAT_RGB888;
k = _mesa_texstore_rgb888(ctx, dims, baseInternalFormat,
- newDstFormat, dstAddr,
- dstXoffset, dstYoffset, dstZoffset,
- dstRowStride, dstImageOffsets,
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType,
- srcAddr, srcPacking);
+ newDstFormat, dstAddr,
+ dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride, dstImageOffsets,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType,
+ srcAddr, srcPacking);
return k;
}
@@ -3604,13 +3744,13 @@ _mesa_texstore_sla8(TEXSTORE_PARAMS)
/* reuse normal luminance/alpha texstore code */
newDstFormat = MESA_FORMAT_AL88;
- k = _mesa_texstore_al88(ctx, dims, baseInternalFormat,
- newDstFormat, dstAddr,
- dstXoffset, dstYoffset, dstZoffset,
- dstRowStride, dstImageOffsets,
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType,
- srcAddr, srcPacking);
+ k = _mesa_texstore_unorm88(ctx, dims, baseInternalFormat,
+ newDstFormat, dstAddr,
+ dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride, dstImageOffsets,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType,
+ srcAddr, srcPacking);
return k;
}
@@ -3629,7 +3769,7 @@ _mesa_texstore_sla8(TEXSTORE_PARAMS)
/**
- * Table mapping MESA_FORMAT_8 to _mesa_texstore_*()
+ * Table mapping MESA_FORMAT_* to _mesa_texstore_*()
* XXX this is somewhat temporary.
*/
static const struct {
@@ -3654,10 +3794,10 @@ texstore_funcs[MESA_FORMAT_COUNT] =
{ MESA_FORMAT_RGBA5551, _mesa_texstore_rgba5551 },
{ MESA_FORMAT_ARGB1555, _mesa_texstore_argb1555 },
{ MESA_FORMAT_ARGB1555_REV, _mesa_texstore_argb1555 },
- { MESA_FORMAT_AL88, _mesa_texstore_al88 },
- { MESA_FORMAT_AL88_REV, _mesa_texstore_al88 },
- { MESA_FORMAT_AL1616, _mesa_texstore_al1616 },
- { MESA_FORMAT_AL1616_REV, _mesa_texstore_al1616 },
+ { MESA_FORMAT_AL88, _mesa_texstore_unorm88 },
+ { MESA_FORMAT_AL88_REV, _mesa_texstore_unorm88 },
+ { MESA_FORMAT_AL1616, _mesa_texstore_unorm1616 },
+ { MESA_FORMAT_AL1616_REV, _mesa_texstore_unorm1616 },
{ MESA_FORMAT_RGB332, _mesa_texstore_rgb332 },
{ MESA_FORMAT_A8, _mesa_texstore_a8 },
{ MESA_FORMAT_L8, _mesa_texstore_a8 },
@@ -3665,13 +3805,19 @@ texstore_funcs[MESA_FORMAT_COUNT] =
{ MESA_FORMAT_CI8, _mesa_texstore_ci8 },
{ MESA_FORMAT_YCBCR, _mesa_texstore_ycbcr },
{ MESA_FORMAT_YCBCR_REV, _mesa_texstore_ycbcr },
+ { MESA_FORMAT_R8, _mesa_texstore_a8 },
+ { MESA_FORMAT_RG88, _mesa_texstore_unorm88 },
+ { MESA_FORMAT_RG88_REV, _mesa_texstore_unorm88 },
+ { MESA_FORMAT_R16, _mesa_texstore_r16 },
+ { MESA_FORMAT_RG1616, _mesa_texstore_unorm1616 },
+ { MESA_FORMAT_RG1616_REV, _mesa_texstore_unorm1616 },
{ MESA_FORMAT_Z24_S8, _mesa_texstore_z24_s8 },
{ MESA_FORMAT_S8_Z24, _mesa_texstore_s8_z24 },
{ MESA_FORMAT_Z16, _mesa_texstore_z16 },
{ MESA_FORMAT_X8_Z24, _mesa_texstore_x8_z24 },
{ MESA_FORMAT_Z24_X8, _mesa_texstore_z24_x8 },
{ MESA_FORMAT_Z32, _mesa_texstore_z32 },
- { MESA_FORMAT_S8, NULL/*_mesa_texstore_s8*/ },
+ { MESA_FORMAT_S8, _mesa_texstore_s8 },
{ MESA_FORMAT_SRGB8, _mesa_texstore_srgb8 },
{ MESA_FORMAT_SRGBA8, _mesa_texstore_srgba8 },
{ MESA_FORMAT_SARGB8, _mesa_texstore_sargb8 },
@@ -3793,7 +3939,7 @@ _mesa_texstore(TEXSTORE_PARAMS)
* The caller _must_ call _mesa_unmap_teximage_pbo() too!
*/
const GLvoid *
-_mesa_validate_pbo_teximage(GLcontext *ctx, GLuint dimensions,
+_mesa_validate_pbo_teximage(struct gl_context *ctx, GLuint dimensions,
GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type, const GLvoid *pixels,
const struct gl_pixelstore_attrib *unpack,
@@ -3830,7 +3976,7 @@ _mesa_validate_pbo_teximage(GLcontext *ctx, GLuint dimensions,
* The caller _must_ call _mesa_unmap_teximage_pbo() too!
*/
const GLvoid *
-_mesa_validate_pbo_compressed_teximage(GLcontext *ctx,
+_mesa_validate_pbo_compressed_teximage(struct gl_context *ctx,
GLsizei imageSize, const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
const char *funcName)
@@ -3864,7 +4010,7 @@ _mesa_validate_pbo_compressed_teximage(GLcontext *ctx,
* functions. It unmaps the PBO buffer if it was mapped earlier.
*/
void
-_mesa_unmap_teximage_pbo(GLcontext *ctx,
+_mesa_unmap_teximage_pbo(struct gl_context *ctx,
const struct gl_pixelstore_attrib *unpack)
{
if (_mesa_is_bufferobj(unpack->BufferObj)) {
@@ -3901,7 +4047,7 @@ texture_row_stride(const struct gl_texture_image *texImage)
* \sa _mesa_store_teximage2d()
*/
void
-_mesa_store_teximage1d(GLcontext *ctx, GLenum target, GLint level,
+_mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint border,
GLenum format, GLenum type, const GLvoid *pixels,
@@ -3955,7 +4101,7 @@ _mesa_store_teximage1d(GLcontext *ctx, GLenum target, GLint level,
* than VRAM. Device driver's can easily plug in their own replacement.
*/
void
-_mesa_store_teximage2d(GLcontext *ctx, GLenum target, GLint level,
+_mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint height, GLint border,
GLenum format, GLenum type, const void *pixels,
@@ -4008,7 +4154,7 @@ _mesa_store_teximage2d(GLcontext *ctx, GLenum target, GLint level,
* \sa _mesa_store_teximage2d()
*/
void
-_mesa_store_teximage3d(GLcontext *ctx, GLenum target, GLint level,
+_mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint height, GLint depth, GLint border,
GLenum format, GLenum type, const void *pixels,
@@ -4061,7 +4207,7 @@ _mesa_store_teximage3d(GLcontext *ctx, GLenum target, GLint level,
* and Driver.CopyTexSubImage1D().
*/
void
-_mesa_store_texsubimage1d(GLcontext *ctx, GLenum target, GLint level,
+_mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level,
GLint xoffset, GLint width,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *packing,
@@ -4099,7 +4245,7 @@ _mesa_store_texsubimage1d(GLcontext *ctx, GLenum target, GLint level,
* and Driver.CopyTexSubImage2D().
*/
void
-_mesa_store_texsubimage2d(GLcontext *ctx, GLenum target, GLint level,
+_mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLint width, GLint height,
GLenum format, GLenum type, const void *pixels,
@@ -4137,7 +4283,7 @@ _mesa_store_texsubimage2d(GLcontext *ctx, GLenum target, GLint level,
* and Driver.CopyTexSubImage3D().
*/
void
-_mesa_store_texsubimage3d(GLcontext *ctx, GLenum target, GLint level,
+_mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLint width, GLint height, GLint depth,
GLenum format, GLenum type, const void *pixels,
@@ -4175,7 +4321,7 @@ _mesa_store_texsubimage3d(GLcontext *ctx, GLenum target, GLint level,
* Fallback for Driver.CompressedTexImage1D()
*/
void
-_mesa_store_compressed_teximage1d(GLcontext *ctx, GLenum target, GLint level,
+_mesa_store_compressed_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint border,
GLsizei imageSize, const GLvoid *data,
@@ -4198,7 +4344,7 @@ _mesa_store_compressed_teximage1d(GLcontext *ctx, GLenum target, GLint level,
* Fallback for Driver.CompressedTexImage2D()
*/
void
-_mesa_store_compressed_teximage2d(GLcontext *ctx, GLenum target, GLint level,
+_mesa_store_compressed_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint height, GLint border,
GLsizei imageSize, const GLvoid *data,
@@ -4242,7 +4388,7 @@ _mesa_store_compressed_teximage2d(GLcontext *ctx, GLenum target, GLint level,
* Fallback for Driver.CompressedTexImage3D()
*/
void
-_mesa_store_compressed_teximage3d(GLcontext *ctx, GLenum target, GLint level,
+_mesa_store_compressed_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint height, GLint depth,
GLint border,
@@ -4267,7 +4413,7 @@ _mesa_store_compressed_teximage3d(GLcontext *ctx, GLenum target, GLint level,
* Fallback for Driver.CompressedTexSubImage1D()
*/
void
-_mesa_store_compressed_texsubimage1d(GLcontext *ctx, GLenum target,
+_mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target,
GLint level,
GLint xoffset, GLsizei width,
GLenum format,
@@ -4290,7 +4436,7 @@ _mesa_store_compressed_texsubimage1d(GLcontext *ctx, GLenum target,
* Fallback for Driver.CompressedTexSubImage2D()
*/
void
-_mesa_store_compressed_texsubimage2d(GLcontext *ctx, GLenum target,
+_mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target,
GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
@@ -4351,7 +4497,7 @@ _mesa_store_compressed_texsubimage2d(GLcontext *ctx, GLenum target,
* Fallback for Driver.CompressedTexSubImage3D()
*/
void
-_mesa_store_compressed_texsubimage3d(GLcontext *ctx, GLenum target,
+_mesa_store_compressed_texsubimage3d(struct gl_context *ctx, GLenum target,
GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth,